#include<bits/stdc++.h>
using namespace std;
int n,vis[100005],maxx;
signed main(){
    freopen("duel.in","r",stdin);
    freopen("duel.out","w",stdout);
    scanf("%d",&n);
    for(int i=1;i<=n;i++){
        int x;
        scanf("%d",&x);
        vis[x]++;
        maxx=max(maxx,vis[x]);
    }
    printf("%d",maxx);
    return 0;
}
